Each ____ bone encloses an ear and bears a fossa for articulation with the lower jaw (mandible).
a. temporal
b. parietal
c. frontal
d. occipital
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Question 2) The occipital bone has a large opening called the ____ through which the spinal cord connects to the brain.
a. mental foramen
b. occipital condyle
c. foramen magnum
d. temporal condyle
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Question 3) The ____ bone is a single bone that forms the forehead.
a. parietal
b. occipital
c. sphenoid
d. frontal
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Question 4) Which bones are thin and typically found where there is a need for extensive muscle attachment or protection for soft or vital parts of the body?
a. long
b. flat
c. short
d. irregular
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Question 5) The interior of the shaft of long bone contains the ____.
a. medullary cavity
b. cortical cavity
c. medullary sinus
d. cortical sinus
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Question 6) The shaft of a long bone, known as the ____, is composed mainly of compact bone.
a. epiphysis
b. epiphyseal plate
c. diaphysis
d. medullary cavity
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Question 7) The breaking of a bone or the associated cartilage is called a(n) ____.
a. ricket
b. osteomalacia
c. epiphysis
d. fracture
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Question 8) Which disease occurs in children and is caused by deficiencies in calcium and vitamin D?
a. fracture
b. rickets
c. osteoporosis
d. diaphysis
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Question 9) The tiny cavities in the osteon called lacunae contain ____.
a. osteocytes
b. osteoblasts
c. osteoclasts
d. chondroblasts
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Question 10) The central canal of an osteon is surrounded by concentric rings of bone, each layer of which is called a(n) ____.
a. canaliculus
b. lamella
c. lacuna
d. perforating canal
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